Modern browsers and especially mobile devices often do not have permanent scrollbars. Scroll bars on mobile devices are not necessary because the user simply moves by dragging. The problem with this though is that users may miss the ability to scroll through a certain window to see more. This applies mainly to

Youtube is on of the most famous social media website in the world. In there video panel there is on cool Like And Dislike Rating System . Here we trying to make that rating system using jquery ajax and php

Detectr.js is a very tiny javascript library which gives you the power to write understandable and clearly defined CSS rules to refine your website design for each different browser, platform, device and operating system.